Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
I would need the trouble code(s) to determine exactly was wrong with it. If the knock sensor were bad it may make the engine run like it lacks power due to the computer not adjusting the timing accordingly. The knock sensors for this engine are located in the valley under the intake manifold. There is a bulletin pertaining to the knock sensors failing put out by GM.